Yo, por si las moscas, he preguntado al soporte de unblock-us si lo pueden añadir y me han respondido esto:
Thank you for reaching us. Regarding your request, we will let our tech team know
your concern and we will update you and everyone if this will be part of the channels and
sites we support on our service. We appreciate you giving us your opinion as your
opinion matters to us to make our service even better for you.